function [ IA_Relation ] = IA_Relation_Invert( IA_Relation )
%IA_Relation_Invert Summary of this function goes here
%   Detailed explanation goes here

temp = IA_Relation.set(1, :);
IA_Relation.set(1, :) = IA_Relation.set(2, :);
IA_Relation.set(2, :) = temp;
end